Mayday
01
an international radio distress signal used by aircraft and ships in life-threatening emergencies
文法情報
例
The pilot repeated "Mayday" three times over the radio.
LanGeek
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語彙ツリー
mayday
may
day
an international radio distress signal used by aircraft and ships in life-threatening emergencies
LanGeek
語彙ツリー
may
day
